la6569 Sanyo Semiconductor Corporation, la6569 Datasheet - Page 4

• Manufacturer Part Number: la6569
• Description: 5-channel Driver For Compact Disk Applications
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
V IN 1+
V CC 2
V CC 1
V LO +
V O 4+
V O 3+
V O 2+
V O 1+
V IN 1-
FWD
V LO -
V O 4-
V O 3-
V O 2-
V O 1-
V IN 1
V IN 2
REV
FR
FR
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Power system
GND
(Signal system)
Power supply
(LOADING)
+
Thermal shutdown
-
(CH1 to CH4)
Power supply
11kΩ
+
+
-
-
22kΩ
(Forward/Reversed/
Break/OFF)
Input
LA6569
(External PNP)
3.3VREG Power supply
22kΩ
22kΩ
22kΩ
CH2 to CH4
CH1 Output
3.3VREG
3.3VREG GND
+
+
+
ON/OFF
ON/OFF
-
-
-
Output
11kΩ
11kΩ
11kΩ
Power system GND
Signal system GND
PNP Tr Colector
MUTE2
MUTE1
PNP Tr Base
+
+
+
-
-
-
+
-
FR
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
S-GND
MUTE2
MUTE1
V IN 4
V IN 4-
V IN 4+
VREF-IN
VCONT (LOADING)
REG-EN
FR
REG-OUT
REG-IN
V IN 3+
V IN 3-
V IN 3
GND-VREG
V CC -VREG
V IN 2+
V IN 2-
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